Home / 20,713.17-31,051.11-7,556.34

Finding the Fourth Proportional to 20,713.17, 31,051.11 and 7,556.34

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Solution

The fourth proportional to 20,713.17, 31,051.11 and 7,556.34 is: 11,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.17 : 31,051.11 = 7,556.34 : x
  2. Step 2: Convert to fraction form
    20,713.17/31,051.11 = 7,556.34/x
  3. Step 3: Cross multiply
    20,713.17x = 31,051.11 × 7,556.34
  4. Step 4: Simplify right side
    20,713.17x = 234,632,744.54
  5. Step 5: Solve for x
    x = 234,632,744.54/20,713.17
  6. Step 6: Final answer
    x = 11,327.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.